[   11.309663] nft (5397) used greatest stack depth: 12080 bytes left
[   60.944304] nft (14056) used greatest stack depth: 12016 bytes left
[   67.533494] nft (14934) used greatest stack depth: 11976 bytes left
[  113.174942] nft (19866) used greatest stack depth: 11832 bytes left